{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "In contrast , the incidence and density of somatostatin receptors in peritumoral vessels was low in well - differentiated gastrointestinal and bronchial carcinoids , in contrast to the high density of such receptors in the carcinoid tumor tissue ."}
{"Anatomy": ["peritumoral vessels", "gastrointestinal", "bronchial carcinoids", "carcinoid tumor tissue"]}